CA2256197A1 - Methode et appareil pour inserer des reductions de reference dans les signaux video - Google Patents

Methode et appareil pour inserer des reductions de reference dans les signaux video

Info

Publication number
CA2256197A1
CA2256197A1 CA002256197A CA2256197A CA2256197A1 CA 2256197 A1 CA2256197 A1 CA 2256197A1 CA 002256197 A CA002256197 A CA 002256197A CA 2256197 A CA2256197 A CA 2256197A CA 2256197 A1 CA2256197 A1 CA 2256197A1
Authority
CA
Canada
Prior art keywords
distortion
impairments
video signals
blocks
introducing reference
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CA002256197A
Other languages
English (en)
Other versions
CA2256197C (fr
Inventor
Marco Quacchia
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
TIM SpA
Original Assignee
CSELT Centro Studi e Laboratori Telecomunicazioni SpA
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by CSELT Centro Studi e Laboratori Telecomunicazioni SpA filed Critical CSELT Centro Studi e Laboratori Telecomunicazioni SpA
Publication of CA2256197A1 publication Critical patent/CA2256197A1/fr
Application granted granted Critical
Publication of CA2256197C publication Critical patent/CA2256197C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04N—PICTORIAL COMMUNICATION, e.g. TELEVISION
    • H04N17/00—Diagnosis, testing or measuring for television systems or their details
    • H04N17/004—Diagnosis, testing or measuring for television systems or their details for digital television systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Health & Medical Sciences (AREA)
  • Biomedical Technology (AREA)
  • General Health & Medical Sciences (AREA)
  • Multimedia (AREA)
  • Signal Processing (AREA)
  • Compression Or Coding Systems Of Tv Signals (AREA)
  • Testing, Inspecting, Measuring Of Stereoscopic Televisions And Televisions (AREA)
  • Image Processing (AREA)
  • Picture Signal Circuits (AREA)
  • Television Systems (AREA)
CA002256197A 1997-12-16 1998-12-15 Methode et appareil pour inserer des reductions de reference dans les signaux video Expired - Fee Related CA2256197C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
IT97TO001093A IT1296643B1 (it) 1997-12-16 1997-12-16 Procedimento e apparecchiatura per l'introduzione di distorsioni di riferimento in segnali video.
ITTO97A001093 1997-12-16

Publications (2)

Publication Number Publication Date
CA2256197A1 true CA2256197A1 (fr) 1999-06-16
CA2256197C CA2256197C (fr) 2002-07-09

Family

ID=11416201

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002256197A Expired - Fee Related CA2256197C (fr) 1997-12-16 1998-12-15 Methode et appareil pour inserer des reductions de reference dans les signaux video

Country Status (6)

Country Link
US (1) US6307980B1 (fr)
EP (1) EP0924939B1 (fr)
JP (1) JP3243753B2 (fr)
CA (1) CA2256197C (fr)
DE (2) DE924939T1 (fr)
IT (1) IT1296643B1 (fr)

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6639999B1 (en) * 1999-11-04 2003-10-28 Eastman Kodak Company Apparatus for assessing overall quality of hardcopy images
US6658139B1 (en) * 1999-11-04 2003-12-02 Eastman Kodak Company Method for assessing overall quality of digital images
US6539055B1 (en) * 1999-12-03 2003-03-25 Intel Corporation Scene change detector for video data
US6868372B2 (en) 2000-04-12 2005-03-15 Home Box Office, Inc. Image and audio degradation simulator
DE10112528A1 (de) * 2001-03-15 2002-09-19 Rohde & Schwarz Verfahren und Prüfvorrichtung zur Prüfung der elektromagnetischen Verträglichkeit von Bildschirmgeräten
US20060029281A1 (en) * 2002-04-23 2006-02-09 Koninklijke Philips Electronics N.V. Digital image processing method for low-rate applications
DE10314268B3 (de) * 2003-03-29 2004-08-19 Grundig Aktiengesellschaft Verfahren und Schaltungsanordnung zur Simulation von bei matrixadressierten Displays auftretenden Pixel- und Subpixeldefekten
KR100590529B1 (ko) * 2003-11-04 2006-06-15 삼성전자주식회사 영상의 국부적 휘도 향상 방법 및 장치와 컴퓨터프로그램을 저장하는 컴퓨터로 읽을 수 있는 기록 매체
JP4258385B2 (ja) * 2004-01-14 2009-04-30 株式会社デンソー 路面反射検出装置
EP2114080A1 (fr) * 2008-04-30 2009-11-04 Thomson Licensing Procédé pour évaluer la qualité d'une version déformée d'une séquence de trames
US10235608B2 (en) 2015-12-22 2019-03-19 The Nielsen Company (Us), Llc Image quality assessment using adaptive non-overlapping mean estimation
US11818581B2 (en) * 2022-04-15 2023-11-14 Qualcomm Incorporated L1 security by adding artificial AM/PM

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5367343A (en) * 1992-07-30 1994-11-22 Global Telecommunications Industries, Inc. Motion enhanced compressed video system
GB2297450B (en) * 1995-01-18 1999-03-10 Sony Uk Ltd Video processing method and apparatus
US6005638A (en) * 1996-03-04 1999-12-21 Axcess, Inc. Frame averaging for use in processing video data
US6181828B1 (en) * 1998-04-02 2001-01-30 Hewlett-Packard Company Apparatus and method for reducing compressibility of unauthorized copies of color images and video sequences

Also Published As

Publication number Publication date
IT1296643B1 (it) 1999-07-14
US6307980B1 (en) 2001-10-23
JP3243753B2 (ja) 2002-01-07
JPH11317966A (ja) 1999-11-16
DE69802255T2 (de) 2002-07-04
ITTO971093A1 (it) 1999-06-16
CA2256197C (fr) 2002-07-09
EP0924939A1 (fr) 1999-06-23
DE69802255D1 (de) 2001-12-06
DE924939T1 (de) 1999-11-04
EP0924939B1 (fr) 2001-10-31

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Effective date: 20141215